<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>login</title>
    <link rel="stylesheet" href="style.css" type="text/css">
</head>
<body>
    <form action="/doLogin" method="POST">
        用户名:<input type="text" name="username"/>
        密 码：<input type="password" name="password"/>
        <button type="submit">提交</button>
    </form>
</body>
</html>